Phone base



FIG. 1 is a perspective view of a phone base showing our new design;

FIG. 2 is a front view of the phone base of FIG. 1;

FIG. 3 is a top view of the phone base of FIG. 1;

FIG. 4 is a side view of the phone base of FIG. 1;

FIG. 5 is a side view of the phone base of FIG. 1;

FIG. 6 is a rear view of the phone base of FIG. 1; and,

FIG. 7 is a bottom view of the phone base of FIG. 1.

The broken line showing of environmental structures is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a phone base, as shown and described. 